On Wed, Oct 18, 2006 at 05:03:36PM +0200, Sebastian Biallas wrote:
> Should I worry about this IOMMU-disabling? All other Linux/IOMMU stuff I
> found had AGP or BIOS messages nearby, but I only get this single
> "PCI-DMA: Disabling IOMMU" line, without any hint.
No, it's fine. Just a badly worded information message. Andi, how
about something like this?
Print a less alarming information message when we don't use GART
Signed-off-by: Muli Ben-Yehuda <[email protected]>
diff -r 3f7bc84201e7 arch/x86_64/kernel/pci-gart.c
--- a/arch/x86_64/kernel/pci-gart.c Wed Oct 18 09:14:19 2006 +0200
+++ b/arch/x86_64/kernel/pci-gart.c Wed Oct 18 23:13:05 2006 +0200
@@ -601,7 +601,7 @@ void __init gart_iommu_init(void)
(!force_iommu && end_pfn <= MAX_DMA32_PFN) ||
!iommu_aperture ||
(no_agp && init_k8_gatt(&info) < 0)) {
- printk(KERN_INFO "PCI-DMA: Disabling IOMMU.\n");
+ printk(KERN_INFO "PCI-DMA: Not using GART IOMMU.\n");
if (end_pfn > MAX_DMA32_PFN) {
printk(KERN_ERR "WARNING more than 4GB of memory "
"but IOMMU not available.\n"
-
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